use std::io::{Read,Write};
use std::net::TcpListener;
fn main() {
    let listener=TcpListener::bind("127.0.0.1:3000").unwrap();
    println!("Runnning on port 3000...");
    
    for stream in listener.incoming(){
        let mut stream=stream.unwrap();
        println!("Connection established!");
        let mut buffer=[0;1024];

        stream.read(&mut buffer).unwrap();
        stream.write(&mut buffer).unwrap();
    }

}
